byBoone, Thomas H.; Skoda, Leopold F.; Cullen, William C.
The values of breaking load, elongation and thermal expansion of nine bituminous built-up membranes prepared by roofing contractors under field conditions and by technicians in the laboratory were measured at sub-freezing temperatures.The data indicated t Topic: Roofing.
Twenty different built-up roof construction specimens, covered with five surfacing materials, were subjected to natural solar heating and nighttime cooling.The temperatures and temperature changes observed during winter and summer exposures are discussed. Topic: Roofing.
A study of the durability of roofing made with Asplund wood fibers was conducted from 1942 to 1967.Concentrations of 0 to 60 percent wood fibers (oak or pine) prepared by three variations of the Asplund process were evaluated.All the mineral-surfaced roll Topics: Roofing, Bituminous., Felt.